Who owns the CALCULUM trademark?

The CALCULUM trademark is owned by CLEARTHOUGHT INVESTMENTS LIMITED.

What is the serial number for CALCULUM?

The USPTO serial number for CALCULUM is 79325910.

What is the registration number for CALCULUM?

CALCULUM is registered under USPTO registration number 7476957.

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Updated Oct 2, 2026·10 searches this week

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CAL

USPTO Trademark Record

REGISTERED

CALCULUM

Q: What class is the CALCULUM trademark registered in?

The CALCULUM trademark is registered in Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services).

SN 79325910·Reg 7476957·Filed Jun 21, 2021

Owner CLEARTHOUGHT INVESTMENTS LIMITED

Advertising; business management, organization and administration; office functions.; Financial, monetary and banking services; insurance services; real estate services.

CALCULUM (Serial No. 79325910), Registration No. 7476957, is a registered US trademark filed on Jun 21, 2021 by CLEARTHOUGHT INVESTMENTS LIMITED. This trademark covers Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services).

early section 8: August 20, 2030

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Full conflict analysis for CALCULUM (SN 79325910) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CALCULUM (Reg. #7476957) is a registered US trademark that has been protecting its owner, CLEARTHOUGHT INVESTMENTS LIMITED, since 2021. The mark covers Class 035 (Advertising, business management & retail services) and Class 036 (Insurance, financial & real estate services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Financial, monetary and banking se.... The mark faced 9 opposition proceedings during prosecution.

FILED

Jun 21, 2021

SERIAL

79325910

REG#

7476957

REGISTERED

Aug 20, 2024

Filing Information

StatusREGISTERED

Filing DateJun 21, 2021

Serial Number79325910

Registration No.7476957

Registration DateAug 20, 2024

Status DateAug 20, 2024

Published for OppositionNov 15, 2022

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

Financial, monetary and banking services; insurance services; real estate services.

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

38 events

NEW REPRESENTATIVE AT IB RECEIVED

Oct 02, 2025

NEW REPRESENTATIVE AT IB RECEIVED

FINAL DECISION TRANSACTION PROCESSED BY IB

Mar 01, 2025

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION NOTICE SENT TO IB

Feb 06, 2025

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION PROCESSED

Feb 05, 2025

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Nov 20, 2024

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Aug 20, 2024

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 20, 2024

NOTICE OF REGISTRATION CONFIRMATION EMAILED

OPPOSITION DISMISSED NO. 999999

Jul 17, 2024

OPPOSITION DISMISSED NO. 999999

OPPOSITION TERMINATED NO. 999999

Jul 17, 2024

OPPOSITION TERMINATED NO. 999999

TTAB RELEASE CASE TO TRADEMARKS

Jul 17, 2024

TTAB RELEASE CASE TO TRADEMARKS

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

May 09, 2023

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Apr 19, 2023

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Apr 19, 2023

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

REFUSAL PROCESSED BY IB

Apr 12, 2023

REFUSAL PROCESSED BY IB

OPPOSITION INSTITUTED NO. 999999

Mar 24, 2023

OPPOSITION INSTITUTED NO. 999999

OPPOSITION NOTICE (IB REFUSAL) CREATED

Mar 16, 2023

OPPOSITION NOTICE (IB REFUSAL) CREATED

OPPOSITION NOTICE (IB REFUSAL) SENT TO IB

Mar 16, 2023

OPPOSITION NOTICE (IB REFUSAL) SENT TO IB

EXTENSION OF TIME TO OPPOSE RECEIVED

Dec 12, 2022

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Nov 15, 2022

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 15, 2022

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 26, 2022

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 09, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Oct 08, 2022

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 08, 2022

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 08, 2022

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 08, 2022

EXAMINER'S AMENDMENT ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 09, 2022

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 09, 2022

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 09, 2022

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

May 10, 2022

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Apr 15, 2022

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Apr 15, 2022

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 12, 2022

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

ASSIGNED TO EXAMINER

Mar 11, 2022

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Mar 11, 2022

NON-FINAL ACTION WRITTEN

APPLICATION FILING RECEIPT MAILED

Nov 23, 2021

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 19, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Nov 18, 2021

SN ASSIGNED FOR SECT 66A APPL FROM IB

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